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Dalpiaz, P.

Paper Title Page
TUPLS022 Experimental Study of Crystal Channeling at CERN-SPS for Beam-halo Cleaning 1538
 
  • M. Fiorini, P. Dalpiaz, V. Guidi
    UNIFE, Ferrara
  • G. Ambrosi
    INFN-PG, Perugia
  • R.W. Assmann, I. Efthymiopoulos, L. Gatignon, W. Scandale
    CERN, Geneva
  • C. Biino
    INFN-Torino, Torino
  • Y.A. Chesnokov
    IHEP Protvino, Protvino, Moscow Region
  • Yu.M. Ivanov
    PNPI, Gatchina, Leningrad District
  • R. Santacesaria
    INFN-Roma, Roma
  • A.M. Taratin
    JINR, Dubna, Moscow Region
  • A. Vomiero
    INFN/LNL, Legnaro, Padova
 
  An efficient and robust collimation system is mandatory for any superconducting hadron collider, in particular for the LHC, which will store a beam of unprecedented high intensity and energy. The usage of highly efficient and short primary bent-crystal collimators might be a possibility for reaching nominal and ultimate LHC intensity. Over the last years, groups in Russia (St. Petersburg) and Italy (Ferrara) have developed crystal production methods, which considerably improve the crystal quality. In view of the crystal-collimation experiments at the Tevatron and of the potential improvement compared with the phas·10-1 LHC collimation system, considering the recent progress in crystal technology, we proposed experiments for crystal characterization in the SPS beam lines. Major objectives will be: 1) qualification of the new crystals to be used in the Tevatron; 2) measuring the channeling efficiency of long crystals with 1 mrad and/or 8 mrad bending angle; and 3) comparison of loss patterns around the ring for a crystal with one for amorphous material. In this paper we will report the progress towards the SPS experiment.